Machine-vise



l. H1 JACOBS.

MACHINE wss.

APPLICATION FILED FEB. 5, I9|8 RNEWED FEB. 5| 1921. 1,372,027. Pafnted Miu'. 22, 1921 i 2 SHEETS-SHEET l. '/0 43 4025' 2 3 l 20 /5 l V f v I c i l'- -zr 8 "ze 3 a l W "f:-

C l n* f J 1 .Tv- I 7 r I 7 l /6` /7 I z 3 j i n 4` y 39 402; l 57 /9 /4 5 3 45 7) /tc 34 32 ,64V 3/ 276 /3 /3 /6 s /5 36 'T' g 39 'w l l l I "zr I- w :f nf-Wi? I' I. H. IACOBS. MACHINE vlsE. APPLICATION FILED FEB.'5, ISIS. REMI-:WED FEB. 5.1921.v

Patented Mar. 22, 1921.

2 SHEETSSHEET 2 UNITED STATES PATENT OFFICE.

.Tosnrn n. moons,` or nnnvnn, coLonAno, AssIeNon 'ro THE Moons srncmrfrrns4 MANUFACTURING COMPANY, A CORPORATION OF COLORADO.

MACHINE-visa.

1,372,027. Application led February 5, 1918, Serial '/'c all whom t may concern:

ide .it known that l, Josnrr-r llldaoons, citizen of the United States, residing at the city and county of Denver and State of Col crade, have invented certain new and useful improvements in Machine-Vises5 and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompany ing drawings, and to the characters of reference marked thereon, which form a part or this specication.

My invention relates to improvements in p a form of clamping construction known as a vise, adapted for use in machine shops and other places where the necessity for clamping articles securely in place exists while they are being machined or otherwise treated.`

My improvement consists of blades or leaves respectively mounted on the coperatng jaws of the vise and which engage the article clamped in such a way as to force the latter downwardly against the base upon which it rests, thus preventing the usual tendency of this article to move upwardly during the clamping operation. Provision is made for throwingl these blades or leaves out of position so that they shall remain `inactive during the use of the vise when for any reason it may be desirable or necessary so to do. Another feature consists in the pivotal mounting of the movable jaw, whereby its face may occupy a plane forming an angle to its direction of movementso that it is free to conform to the adjacent 1nclined face of the article to be clamped. This movable jaw is screw-actuated, and the inner extremity of the screw is swiveled in the jaw in such a manner as to allow the jaw to move u on its pivot for the aforesaid purpose. furthermore, the screw-holding member of the jaw is ad`ustable bodily upon the base of the vise an is provided with a ratchetanddog connection, all of which will be fully described as this specification proceeds.

Having briefly outlined my improvement, .l `will proceed to describe the same in detail, reference being made to the accompanying Specification of Letters Patent.

y PatentedMaLZf?, 1921.

No. 215,521. Renewed February 5, 1921. Serial No. 442,889.

drawing, in which is illustrated an embodr ment thereof. In this drawing: r

Figure 1 is atop plan view of my improved machine vise, the screw-holding member being partly broken awayto facili tate clearness of illustration. This is a view looking in the direction of arrows 1, Fig. 2,

Fig. 2 is a side elevation of the device, or a .view looking inthe direction of arrows 2, Fig.' 1. Y;

11g. l Fig. 1.

. Fig. 4 is a cross section taken on the line lf-l1, Fig. 1.

Fig. 5 is a horizontal section taken on the line 55, Fig. 4, the construction being partly broken away..`

The same reference characters indicate the same parts in all the views.

Let the numeral 5 designate the base of the vise which is stationary when the machine is in use, the same being secured to a bench or other suitable stationary support 6 by means of suitable fastening devices 7 which are passed throu h slots 8 formed in the end-extensions 9 of t e base. The mechanism includes a stationary 'aw 10, a movable jaw 12 and an adjusta le member 13 carrying a pivoted nut 14 in which is threaded a screw 15, to one extremity of which is pivotall connected, as shown at 16 a handle 17 whicforms a crank adapted or move ment through a semi-circular path, after which the handle is swung on its pivot to bring it into position for another half revo lution,.it being assumed that the construction of the base of the vise and the support is such that the handle cannot make a complete 'or continuous revolution in one direction.

The opposit extremity of the screw has a swiveled connection 57 with` the movable jaw 12 of the vise, this jaw having a socket 67 which receives the ball extremity 18 of the screw and allows the screw to rotate freely and also permitsthe jaw to swing out of alinement with its direction of travel on the stationary base, as is well illustrated in Fig. 5. The screw carrying member 13 has arms 19 extending downwardly at its opposite ends, each of which is provided withan inwardly projecting toothed member 20 the screw holder is adapted to cooperate with teeth 21 of a ratchet formed on the adjacent part of the base, which is provided with a longitudinal retaining groove 22 on opposite sides. 'lhe ratchet teeth 21 are formed in the bottom ofthe groove while the upper wall of the groove maintains the member 13 in its assembled and coperative relation with the other parts of the structure, the groove being open at its front end to receive the parts 20. This screw-holding member 13 is also constructed and arranged to permit a limited rocking movement, whereby the dogs 20 may be disengaged from the ratchet teeth to allowy the member 13 to be moved rearwardly without engagement with the ratchet teeth vafter it has traveled any desired 'distance forwardiy in the performance ofV its function. It will be understood that the screw l5 may be relatively short since capable of such adjustment on the base as to make this practicable.

The jaw 12 is slidably mounted on the surface 23-of the base above the grooves 22 and is adjustable by rotating the screw 15, as heretofore explained. lts front face as illustrated in the drawing is equipped with a blade or leaf 24, the said blade being connected with the forward extremitiesof two rods 25 which' are provided with hooks 26 which i pass through perforations in the blade. These rodspass through spindles 27 which are journaled in the jaw which is provided with grooves 28 in which the rods are located. In the front of the spindles the rods are surrounded by spiral springs 29, one extremity of which engages the spindles while their opposite extremities engage` tension nuts 30, which may be adjusted on the rods to regulate the tension of the springs. When it is desired to remove the blade from the face 31 of the jaw, the blade is carried upwardly and forwardly, whereby the spindles 27 are turned, the blade in this manner "being carriedl forwardly into a position of rest whereitvwill remain inactive, after which the jaw may` be used independently of the blade. The stationary jaw"l0 is also equipped with asimilar blade 32 which is connected with the hooked end 33 of a rod 34, passing through a spindle 35 j ournaled in the jaw on opposite sides of a groove 36, a spiral spring 37 surrounding the rod in the rear of the lspindleand being held in place by means of a tension nut 38. This blade 32 may be thrown to the inactive position in the same manner as heretofore described when speaking of the bladel 24, the blade 32 in this event being in the position indicated by dotted lines in Fig. 2. The faces 31 vand 39 of the 'two jaws 12 and 10', are' slotted to receive the rodsas shown 'wat 40and 41, these slots vbeing open at the top top'ermit the movehient'of the blades from'their 'active totheir inactive positions, Furthermore, the cessed, as shown for the adjacent blade. y virtue of this fact, the blades are vertically adjustable on the faces ol' the jaws.

When the device is in operation and the blades are employed, their position is indicated in Figs. l, 2 and 3, the blades being so set that their free extremities engage the part L13 which is to be acted upon. These blades are so arranged that their free extremities engage the part d3 slightly below their opposite edges, whereby as the jaw l2 is moved toward the jaw 10 by the rotation of the operating screw 15, the tendency ol the force applied will be to force the parlv -13 downwardly against the adjacent surface of the base, thus preventing or obviating any tendency of this part 13 to move upwardly from the base. By virtue of this construction the part 13 is held securely in place.

The jaw 12 is centrally pivoted on a bolt all whose head l5 is counter-sunk in the top of the jaw, while its shank passes through a perforation in the aw, its lower extremity being threaded into a block -LtG which is slidably mounted in a in the base 5 of the device adjacent the upper surface of the stationary support G. The shank of this screw protrudes below the jaw 12 and passes through a central longitudinal slot 4:8 formed in the base of the device. The groove 47 is wider than the slot 48 and extends laterally beyond the slot -l-S ou both sides. the block 4G being of corresponding size. whereby it slides freely in the groove 4 7 during the movement of the jaw 12. By virtue of this construction the jaw 12 is retained in its assembled relation to the other parts of the vise and is also free to assume a position inclined to its direction of travel, as illustrated in Fig. 5, in which it is positioned to engage the inclined surface 49 of an article 50 which is held in the vise in the position to be operated upon for any desired purpose.

From the foregoing description. the use and operation of iny improved machine will be readily understood. The jaw 10 is stationary and arranged to coperate with the movable jaw 12 which is adjusted when in use for holding an article 4:3 or 50 in place as the case may be. The jaw 12 may be, quickly moved rearwardly in order to bring it into engagement with the part to be. clamped, by the proper adjustment of the screw-carrying member 13 which may be slightly rocked upon the base to disengage its dogs 20 from the ratchet teeth 21 formed on the bottoms of the grooves which the dogs enter. This quick travel of the member-1`3 imparts a corresponding movement bottom groove 47 formed 9 to the jaw 12 independently ofthe movement imparted by the rotation of the screw, the latter to be used after the movable jaw 12 is brought into engagement with the article to be clamped either with or without the employment of the blade 211.

The screw holder 19 is cut away in the front and rear of the pivoted nut 14. to form V-shaped cavities 51 to permit the screw to oseillate to accommodate itself to the varying positions of the jaw 12.

Having thus described my invention, what I claim isz 1. A vise including a base and two ceoperating clamping members whose faces are respectively equi ped with positively hinged blades norma ly held in edgewise engagement therewith, the said blades being adapted to be swung bodily away from said edgewise engagement with said faces, in order that said faces may be used for direct engagement with an object to be held.

2. A vise including a base and two cooperating clamping members equipped with blades hingedly connected and spring-held in edgewise engagement with their respective faces, the said blades being adapted to be swung bodily awa from said edgewise engagement with saic faces, in order that said faces may be used for direct engages ment with an object to be held.

3. A vise including a base and two cooperating clamping jaws provided with blades hingedly connected therewith and normally spring held in edgewise engage ment with the respective faces thereof, the said blades being adapted to be swung bodily away from said e gewise engagement with said faces, in order that said faces may be used for direct engagement with an object to be held.

Li. A vise including a stationary support and two coperating clamping jaws provided with blades, spring actuated hooks chored in the respective jaws.

5. A vise including two coperating jaws,

blades hingedly connected with the jaws, and means for normally retaining the blades in edgewise engagement with the respective faces of the jaws, the said blades being adapted to be swung bodily away from said edgewise engagement with said faces, in order that said faces may be used for direct engagement with an object to be held.

6. A vise including two cooperating jaws, blades hingedly connected therewit and means for normally retaining .the blades in edgewise engagement with the respective faces of the jaws, said faces having a plurality of recesses which the adjacent edges ofthe blades are adapted to engage selectively.

7. A vise including two c operating jaws, blades, and spring-held hooks mountedto swing on the jaws and respectively engag ing perforations formed in the blades.

8. A vise including two cooperating jaws, blades, rods having hooked extremities engaging perforations formed in the blades, spindles journaled in the respective jaws and perforated to receive said rods, springs mounted on the rods, and tension nuts applied to the latter, the' springs being located between the tension nuts and the spindles.

9. A vise, comprising a base member, two eoperating jaws mounted thereon, one of said jaws being mounted to slide freely on the base, 'an operating screw, a movable holder member for the screw, a ratchet rigidly fastened to one of said members, and a dog rigidly fastened to the other member, the holder being adapted to be rocked suiiciently to free the dog from the ratchet.

ln testimony whereof I aiix m signature.

JOSEPH H. .ACOBS 

